Lunch box



FIG. 1 is a perspective view of a lunch box, showing our new design;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a left-side elevational view of FIG. 1;

FIG. 5 is a top plan view of FIG. 1;

FIG. 6 is a bottom plan view of FIG. 1;

FIG. 7 is an exploded top perspective view thereof;

FIG. 8 is an exploded bottom perspective view of FIG. 7;

FIG. 9 is an exploded front elevational view of FIG. 7;

FIG. 10 is an exploded rear elevational view of FIG. 7;

FIG. 11 is an exploded left-side elevational view of FIG. 7;

FIG. 12 is an exploded top plan view of FIG. 7; and,

FIG. 13 is an exploded bottom plan view of FIG. 7.

The broken lines in the drawing depict portions of the lunch box that form no part of the claimed design. 

CLAIM We claim the ornamental design for a lunch box, as shown and described. 